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Category:   OS (UNIX)  >   IBM AIX Vendors:   IBM
IBM AIX NFSv4 Bugs Let Remote and Local Users Access NFSv4 Shares
SecurityTracker Alert ID:  1022958
SecurityTracker URL:
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Sep 29 2009
Impact:   Disclosure of system information, Disclosure of user information, Modification of system information, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.3, 6.1
Description:   Two vulnerabilities were reported in IBM AIX. A local or remote user can access NFSv4 shares.

A local user can exploit a flaw in the handling of the NFSv4 Kerberos credential cache to access Kerberized AIX NFSv4 shares.

A remote user can exploit a flaw in the nfs_portmon tunable to access AIX NFSv4 shares ostensibly protected by the nfs_portmon tunable.

The following commands are vulnerable:


Anton Lundin reported this vulnerability.

Impact:   A local or remote user can access NFSv4 shares.
Solution:   The vendor has issued a fix (APAR IZ50496, IZ50444, IZ50399, IZ49278, IZ49096, IZ49024).

The vendor's advisories are available at:

Vendor URL: (Links to External Site)
Cause:   Access control error

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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